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  1. #8
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    Re: 2 bank charger needed


  2. #7
    Senior Member
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    Re: 2 bank charger needed

    I have a promariner pro sport 12. It is a dual bank that charges at 6 volts per bank. Came on my boat when I got it and I upgraded to 3 bank/36 volt trolling motor. Pm me for info if interested

  3. #6
    Junior Member
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    Re: 2 bank charger needed

    nyone have a 2 bank charger you would like to part with? Been charging each battery separately. Thanks

  4. #5
    Senior Member ampm's Avatar
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    Re: 2 bank charger needed

    Quote Originally Posted by crawdaddundee View Post
    Anyone have a 2 bank charger you would like to part with? Been charging each battery separately. Thanks
    PM sent

  5. #4
    aka sschefer
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    Re: 2 bank charger needed

    Quote Originally Posted by crawdaddundee View Post
    if it were that simple no one would have a 2 or 3 bank charger. When you hook them all together in parallel, when the first battery gets a full charge the charger keeps on charging because it senses the other battery is not fully charged. So the first battery gets way over charged and hot and thats not a good thing. Hence, 2 bank means they charge individually and each shuts off when fully charged.
    No, that is not the case. Batteries self regulate and will equalize when in parallel. I know a fair bit about batteries and chargers. If it were true the 4 6v batteries that are in a series parallel configuration and charging on a single 4 stage charger for my RV would be toast but they are not.

  6. #3
    Senior Member crawdaddundee's Avatar
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    Re: 2 bank charger needed

    Quote Originally Posted by LineStretcher View Post
    Why dont you just jump them in parallel when charging?
    Or even easier, put a battery switch in and put it in the "Both" or 1+2 position. The charger will charge them both at the same time.
    if it were that simple no one would have a 2 or 3 bank charger. When you hook them all together in parallel, when the first battery gets a full charge the charger keeps on charging because it senses the other battery is not fully charged. So the first battery gets way over charged and hot and thats not a good thing. Hence, 2 bank means they charge individually and each shuts off when fully charged.

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  8. #2
    aka sschefer
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    Re: 2 bank charger needed

    Quote Originally Posted by crawdaddundee View Post
    Anyone have a 2 bank charger you would like to part with? Been charging each battery separately. Thanks
    Why dont you just jump them in parallel when charging?
    Or even easier, put a battery switch in and put it in the "Both" or 1+2 position. The charger will charge them both at the same time.
    Last edited by LineStretcher; 08-18-2018 at 07:27 AM.

  9. #1
    Senior Member crawdaddundee's Avatar
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    2 bank charger needed

    Anyone have a 2 bank charger you would like to part with? Been charging each battery separately. Thanks

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